Hot tub



FIG. 1 is a perspective view of the design for a hot tub in accordancewith the present invention;

FIG. 2 is a top view of the design for a hot tub as shown in FIG. 1;

FIG. 3 is a front elevation view of the design for a hot tub as shown inFIG. 1;

FIG. 4 is a side elevation view of the design for a hot tub as shown inFIG. 1;

FIG. 5 is a cross-sectional view of the design for a hot tub taken alongline 5—5 of FIG. 2;

FIG. 6 is a cross-sectional view of the design for a hot tub taken alongline 6—6 of FIG. 2; and,

FIG. 7 is a cross-sectional view of the design for a hot tub taken alongline 7—7 of FIG. 2.

The ornamental design for a hot tub, as shown and described.